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4.4
Electrical connection
The BTL is connected via a connector.
The pin assignments for the respective version can be
found in Tab. 4-3.
Note the information on shielding and cable
routing.
4.4.1 Connector BTL7-...-C003
Power
Fig. 4-10:
Power
(pin)
Bus OUT/Port2
(socket)
Bus IN/Port1
(socket)
3
1
4
4
1
2
2
3
1
4
2
3
Pin assignment of connector (view from above on BTL)
Pin
Wire color
Signal
1
BN brown
10 to 30 V DC
2
WH white
Not used
1)
3
BU blue
0 V GND
2)
4
BK black
Not used
1)
BUS IN/OUT (data)
Pin
Wire color
Signal
1
YE yellow
TX+
2
WH white
RX+
3
OG orange
TX
−
4
BU blue
RX
−
1)
Unassigned leads can be connected to the GND on the controller side but not to the shield.
2)
Reference potential for supply voltage and EMC-GND.
Tab. 4-3: Pin assignment of ...-C003 connector
4.5
Shielding and cable routing
Defined ground!
The BTL and the control cabinet must be at the
same ground potential.
Shielding
To ensure electromagnetic compatibility (EMC), observe
the following:
– Connect the BTL and controller using a shielded cable.
Shielding: Braided copper shield with minimum 85%
coverage.
– Connector version: Shield is internally connected to
connector housing.
Magnetic fields
The position measuring system is a magnetostrictive
system. It is important to maintain adequate distance
between the BTL and strong, external magnetic fields.
4
Installation and connection (continued)
Cable routing
Do not route the cable between the BTL, controller, and
power supply near high voltage cables (inductive stray
noise is possible).
The cable must be routed tension-free.
Cable length
The maximum cable length when using CAT5e cables is
100 m
1)
.
1)
Prerequisite: Construction, shielding and routing preclude the effect of any
external noise fields.
Noise elimination
To avoid equipotential bonding - a current flow - through
the cable shield, please note the following:
– Use insulating bushes
– Put the control cabinet and the system in which the
BTL7 is located to the same ground potential.
BTL7-V50T-M _ _ _ _ -P-C003
Magnetostrictive Linear Position Sensor – Rod Style
Summary of Contents for BTL7-V50T-M P-C003 Series
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